Minnehaha, Washington, sits in USDA hardiness zone 8b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
These conditions suit cabbage, fig, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Minnehaha, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Minnehaha lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Minnehaha — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Minnehaha — the short answer
Minnehaha, Washington: USDA zone 8b, about 217 days between hard freezes, across 1K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 28
- Clark County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Oct 31
- Clark County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~217
- Clark County normal — NOAA 1991–2020, nearest to this town
- Town area
- 1K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Clark County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Minnehaha's average, not your lot's — a low corner or a tree line moves it. Against Minnehaha's 217-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Minnehaha
Each reading below is measured for Minnehaha itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsMinnehaha runs about 217 days between hard freezes (read from Clark County, the closest normal to Minnehaha) — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredMinnehaha sits in USDA hardiness zone 8b.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Minnehaha is in
Minnehaha sits in the Willamette Valley — EPA Level III, inside the wider Marine West Coast Forest. That is read at Minnehaha's own centroid rather than borrowed from Clark County.
What Grows in Minnehaha
Every plant below cleared Minnehaha's own zone 8b and its 217-day season. Each card opens that plant's Washington profile. How we score.
Is it too late to plant in Minnehaha?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 31 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around Minnehaha
Survey cells within 31 miles of Minnehaha checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 547 miles off. What to watch for.
What's on the federal record near Minnehaha
Closest first, within ~10 miles of Minnehaha. Listing isn't leaking, and distance isn't exposure.
- LOUIS GUINETTUnderground Storage Tanks · 900 ft
- DEPT OF ECOLOGY VANCOUVER ERTS 698721Brownfields · 2600 ft
- FRANK E HELLERUnderground Storage Tanks · 0.7 mi
- VANCOUVER FORDBrownfields · 0.8 mi
- QUICK SHOP MINIT MART 65Underground Storage Tanks · 0.8 mi
- CLASSIC COLLISION VANCOUVERBrownfields · 0.8 mi
- QUAIL DEVELOPMENT LLCUnderground Storage Tanks · 0.9 mi
- BLACKLINE INCUnderground Storage Tanks · 0.9 mi
- ATTBAR INC VANCOUVERToxics Release Inventory · 0.9 mi
- VICTORY TRUCKING LLCBrownfields · 0.9 mi
- FABRICATION PRODUCTS INC MINNEHAHA STBrownfields · 0.9 mi
- J D GRIMMUnderground Storage Tanks · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Minnehaha's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Minnehaha.
Sources Checked
within ~10 miles of Minnehaha
Severity Distribution
within ~10 miles of Minnehaha
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Minnehaha, two things run higher than the national average within ~10 miles of Minnehaha — Superfund (46 sites) and Toxics Release Inventory (223 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Minnehaha
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Minnehaha average
Your land is one point inside Minnehaha
Everything above resolves to Minnehaha as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Clark County’s record because no 30-year normal resolves at this town’s own centroid. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Minnehaha Average
Minnehaha Average
- ●USDA Zones 8b, averaged across Minnehaha
- ●One soil character for all of Minnehaha
- ●Frost dates read at Minnehaha's scale: Mar 28 to Oct 31
YOUR Parcel
- ✓Your exact zone, not Minnehaha's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Minnehaha
Pull a site-specific report for your exact address in Minnehaha, Washington — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Minnehaha averages can't show:
We read public map data around Minnehaha — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Minnehaha average
How we know this about Minnehaha
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Clark County’s record, because none resolves here; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Minnehaha
When does frost risk typically end in Minnehaha?
The last hard freeze (28°F) in Minnehaha typically lands around Mar 28, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 18.
When is the first frost in Minnehaha?
The first hard freeze (28°F) in Minnehaha typically arrives around Oct 31, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 17, so the watching starts about Oct 1 — about 217 days after the spring freeze cleared.
How long is the growing season in Minnehaha?
Measured between 28°F hard freezes, Minnehaha sees about 217 frost-free days — roughly Mar 28 through Oct 31, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 18 to Oct 17, about 182 days.
Is the soil safe to grow vegetables in Minnehaha?
The federal record around Minnehaha runs heavier than most — 3,071 documented sites, mostly Underground Storage Tanks entries (1,689), the nearest Underground Storage Tanks record about 0.2 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Minnehaha?
From about Oct 1 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Oct 31 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Oct 31. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Minnehaha's scale — its 8b band and its 217-day season. Your yard writes its own version of Minnehaha's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Minnehaha’s own scale
6 of the readings below were taken at Minnehaha's own scale — the 1,414 acres it covers and 3,071 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Minnehaha's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 3,071 documented contamination sites on the federal record near Minnehaha, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Minnehaha's boundary and the 1,414 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~217-day seasonGrowable Ground crop-matching engine
- The ecoregion at Minnehaha's own centroid, the Willamette ValleyUS EPA Level III Ecoregions
- Lanternfly survey cells around Minnehaha checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Minnehaha has no normal of its own, so its county's is the closest measured readfrom Clark County
- Soil character — no town-scale survey exists, so Minnehaha's 1,414 acres read through its county's SSURGO summaryfrom Clark County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Clark County
- The growing challenges every Washington grower plans around — written at state scale, so they stay on the state guidefrom Washington
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Clark County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Minnehaha's 1,414 acreswhy one lot differs from the next →
- Which side of Minnehaha you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,414 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Minnehaha-wide figureread your own land →